v3.26.3
Related party transactions (Details 2)
$ in Millions
6 Months Ended
Jun. 30, 2026
USD ($)
IfrsStatementLineItems [Line Items]  
Subsidy gross revenues $ 2,453
Sales charges (226)
Subsidy net revenues 2,227
Road Use Diesel 1 [Member]  
IfrsStatementLineItems [Line Items]  
Subsidy gross revenues 141
Sales charges (13)
Subsidy net revenues 128
Road Use Diesel 2 [Member]  
IfrsStatementLineItems [Line Items]  
Subsidy gross revenues 34
Sales charges (3)
Subsidy net revenues 31
Road Use Diesel 3 [Member]  
IfrsStatementLineItems [Line Items]  
Subsidy gross revenues 1,096
Sales charges (102)
Subsidy net revenues 994
Road Use Diesel 4 [Member]  
IfrsStatementLineItems [Line Items]  
Subsidy gross revenues 746
Sales charges (69)
Subsidy net revenues 677
Road Use Diesel A [Member]  
IfrsStatementLineItems [Line Items]  
Subsidy gross revenues 242
Sales charges (22)
Subsidy net revenues 220
L P G [Member]  
IfrsStatementLineItems [Line Items]  
Subsidy gross revenues 19
Sales charges (1)
Subsidy net revenues 18
Gasoline [Member]  
IfrsStatementLineItems [Line Items]  
Subsidy gross revenues 175
Sales charges (16)
Subsidy net revenues $ 159